Answer:
the formula is (n-2)180 degrees
so its 7020
The third one: No, yes, no
You have the right one selected.
The answer is 2:1
To find this take each side of ABC and its corresponding side on DEF, then simplify. You can treat ratios just like fractions, so simplify them in the same way.
20:10 becomes 2:1
12:6 becomes 2:1
16:8 becomes 2:1
Answer:
3
Step-by-step explanation:
3 under each